html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

body {
  background-image: url("/Imagens/background-login.png");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center;
}

.container {
  height: 100%;
}

.logo {
  width: 25rem;
  height: 25rem;
  margin-top: -10rem;
}

.btn:hover {
  opacity: 0.8;
}